Home / 4,431.45-6,638.20-2,056.18

Finding the Fourth Proportional to 4,431.45, 6,638.20 and 2,056.18

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Solution

The fourth proportional to 4,431.45, 6,638.20 and 2,056.18 is: 3,080.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.45 : 6,638.20 = 2,056.18 : x
  2. Step 2: Convert to fraction form
    4,431.45/6,638.20 = 2,056.18/x
  3. Step 3: Cross multiply
    4,431.45x = 6,638.20 × 2,056.18
  4. Step 4: Simplify right side
    4,431.45x = 13,649,334.08
  5. Step 5: Solve for x
    x = 13,649,334.08/4,431.45
  6. Step 6: Final answer
    x = 3,080.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.